Home / 79,863.18-119,490.21-48,156.54

Finding the Fourth Proportional to 79,863.18, 119,490.21 and 48,156.54

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Solution

The fourth proportional to 79,863.18, 119,490.21 and 48,156.54 is: 72,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863.18 : 119,490.21 = 48,156.54 : x
  2. Step 2: Convert to fraction form
    79,863.18/119,490.21 = 48,156.54/x
  3. Step 3: Cross multiply
    79,863.18x = 119,490.21 × 48,156.54
  4. Step 4: Simplify right side
    79,863.18x = 5,754,235,077.47
  5. Step 5: Solve for x
    x = 5,754,235,077.47/79,863.18
  6. Step 6: Final answer
    x = 72,051.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.